... E96 Procedure A DIN 52615Flame spread and smoke developed index-25/50ASTM E84, CAN/ULC S 102V0UL94Water absorption, by volume%0 ... wrinkles, no cracks, holes or distortion-Wall thickness (normal) in (mm)1/4", 3/8", 1/2", 3/4", 1", 1 ... -1/2", 2" (6, 9, 13, 19, 25, 32, 40, 50)-Inside diameter, tubular formin (mm)1/4" ID to 6" IPS (6 ...